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Electroencephalograms (EEGs) were recorded from 9 medication-na\u00efve children with Tourette syndrome and 10 age-matched healthy subjects in resting conditions and during tic suppression. Their cortical oscillations were examined using the power spectral method and partial directed coherence. The authors found increased oscillations of broad frequency bands in the frontomotor regions of patients during tic expression, suggesting the involvement of aberrant cortical oscillations in Tourette syndrome. More significantly, prominent increases in theta oscillation in the prefrontal area and directed frontomotor interactions in the theta and beta bands were observed during tic suppression. Furthermore, the directed EEG interaction from the frontal to motor regions was positively correlated with the severity of tic symptoms. These findings suggest that the frontal to motor interaction of cortical oscillations plays a significant role in tic suppression.<\/jats:p>","DOI":"10.1177\/0883073812450317","type":"journal-article","created":{"date-parts":[[2012,8,2]],"date-time":"2012-08-02T01:23:27Z","timestamp":1343870607000},"page":"615-624","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":22,"title":["Increased Frontomotor Oscillations During Tic Suppression in Children With Tourette Syndrome"],"prefix":"10.1177","volume":"28","author":[{"given":"Hyun Ju","family":"Hong","sequence":"first","affiliation":[{"name":"Authors contributed equally to this work."},{"name":"Department of Psychiatry, Hallym University College of Medicine, Anyang, South Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hansem","family":"Sohn","sequence":"additional","affiliation":[{"name":"Department of Bio and Brain Engineering, Korea Advanced 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